Re: Gravitar/Amplifone issue

The TL082CPs are the most common failure I have seen followed by the
AM6012s. Occasionally one of the output voltage regulators will die too such
as the 7915Csor the 7815s. You can check the voltages at the + and - 15 volt
test points.

By the way, I found my Gravitar adapter for the PAT 9000. If you want me to
hook your board up and see what I can find wrong just let me know.

Mark.
----- Original Message -----
From: "andre" <livnfree_can@yahoo.com>
To: <vectorlist@vectorlist.org>
Sent: Wednesday, March 28, 2007 2:09 PM
Subject: Re: VECTOR: Gravitar/Amplifone issue

> Followup:
>
> I went through almost every part of the amplifone this
> morning and from what I can tell, everything is
> working as it should.
>
> So I went back to the Gravitar board... now I must
> have been thinking about the 2 Space Duels with X/Y
> fluctuating because on this board neither does. The X
> stays at a consistent voltage, while the Y slowly
> climbs...I did not let it go to see how high it would
> go but it doesn't seem to slow down, fluctuate, or
> reverse direction. I replaced all 4 op-amps with no
> change. All electrolytic caps are changed on the
> board. I swapped in a new 6502 processor which did
> nothing as well.
>
>
>
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Received on Wed Mar 28 18:06:01 2007